Volume 26, Number 6 (Monthly_Aug 2015) | J Urmia Univ Med Sci 2015, 26(6): 531-541 | Back to browse issues page


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Amniattalab A, Tamaddonfard E, Cheraghian S, Dorostghol A, Babadoust-Sani E, Mehr M et al . EFFECT OF INTRA PERITONEAL INJECTION OF HISTIDINE ON COLD ALLODYNIA, FORMALIN PAIN TEST AND PATHOLOGY OF CRUSHED SCIATIC NERVE IN RAT. J Urmia Univ Med Sci. 2015; 26 (6) :531-541
URL: http://umj.umsu.ac.ir/article-1-2989-en.html

Assistant Professor of Pathology Pathology Department, Faculty of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia, Iran , a.amniattalab@iaurmia.ac.ir
Abstract:   (1941 Views)

 

 

 

Background & Aims: Protective effect of histidine on nervous system is well studied. We aimed to evaluate the efficiency of cold allodynia and formalin pain tests with pathology in histidine injection as intra peritoneal method in rat’s crushed sciatic nerve.

 

 

Materials & Methods: 57 rats were used for evaluating cold allodynia and formalin pain tests. Histopathological sections were stained with two staining methods. Numbers of schwann cells and myelinated nerve fibers were evaluated for repair processing.

 

 

Results:  Cold allodynia and formalin pain tests in histidine 400mg/kg group had the best results and most likeness with pathology. In this group, cold allodynia was started on the 7th day after lesion creation in sciatic nerve and achieved to maximum on the 14th and 28th days and then decreased till the end of the experiment (42nd  day) and compared with the control group (p<0.05). Also formalin pain response decreased on 14th, 28th and 42nd days compared with before lesion creation according to the control group (p<0.05). 

 

 

Conclusion: Results of the current study showed that cold allodynia and formalin pain tests with pathology confirmed effect of histidine 400mg/kg on repair of crushed sciatic nerve. Also results of this and previous studies showed that physiological tests for neuropathic pain, function index, cold allodynia and formalin pain have more efficiency with pathological results, respectively. 

 

 

 

SOURCE: URMIA MED J 2015: 26(6): 541 ISSN: 1027-3727

 

 

Full-Text [PDF 411 kb]   (363 Downloads)    
Type of Study: Research | Subject: پاتولوژی
Received: 2015/09/16 | Accepted: 2015/09/16 | Published: 2015/09/16

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